name = "coin chiang"
print(name.split(' '))

number = 16
print(f'{number:x}')
print(f'{number:e}')
print(f'{number:06}')
print(f'{number:.2f}')
big_number = 528146153
print(f'{big_number:,}')
percentage = 0.125
print(f'{percentage:.2%}')
print(f'{percentage:.1%}')

import os.path

os.path.join()